40112659 has 2 divisors, whose sum is σ = 40112660. Its totient is φ = 40112658.

The previous prime is 40112651. The next prime is 40112717. The reversal of 40112659 is 95621104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40112659 - 2³ = 40112651 is a prime.

It is not a weakly prime, because it can be changed into another prime (40112651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056329 + 20056330.

It is an arithmetic number, because the mean of its divisors is an integer number (20056330).

Almost surely, 2^40112659 is an apocalyptic number.

40112659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40112659 is an equidigital number, since it uses as much as digits as its factorization.

40112659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 40112659 is about 6333.4555339088. The cubic root of 40112659 is about 342.3159620078.

It can be divided in two parts, 4011 and 2659, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 40112659 in words is "forty million, one hundred twelve thousand, six hundred fifty-nine".